package com.sptpc.demo.controller;


import com.sptpc.demo.controller.requests.ModifyDrinkRequest;
import lombok.extern.slf4j.Slf4j;
import com.sptpc.demo.model.Drink;
import org.joda.money.Money;
import org.springframework.http.HttpRequest;
import org.springframework.http.MediaType;
import org.springframework.validation.BindingResult;
import org.springframework.validation.ObjectError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.validation.Valid;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

@Slf4j
@RestController
@RequestMapping("/drink")
public class DrinkController {

   //get /drink/
   // @RequestMapping(value = "/",method = RequestMethod.GET)
    @GetMapping("/")
    public List<Drink> getAll(){
        //mock数据 - 后期从数据库查询
        ArrayList<Drink> results = new ArrayList<>();
        results.add(Drink.builder().id(1)
                .name("茉莉花茶").price(Money.parse("USD 8.00"))
                .build());
        results.add(Drink.builder().id(2)
                .name("焦糖拿铁").price(Money.parse("USD 8.00"))
                .build());
        return  results;
    }

    //  日志
    //  get /drink/4
    //  path路径表示方法 id=4
    @GetMapping("/{id}")
    public Drink getDrink(@PathVariable("id") Integer id){
        log.info("查询饮品的id: {}",id);
        //后期从数据库查询
        Drink drink=Drink.builder().id(1)
                .name("茉莉花茶").price(Money.parse("USD 8.00"))
                .build();
        return drink;
    }

    /**
     * 新增
     * post /drink/ {"name":"奶茶","price":8.00}
     * 1.直接使用model类接受用户参数
     * 2.编写一个TO类专门负责传值
     */
    @PostMapping("/")
    public Drink addNewDrink(@RequestBody @Valid Drink drink, BindingResult bindingResult){
        if (bindingResult.hasErrors()){
            for (ObjectError error : bindingResult.getAllErrors()) {
                log.error(error.toString());
            }
            return null;
        }else {
        log.info("创建新饮品：{}",drink);
        //后期使用数据库insert
        Drink addDrink=Drink.builder().id(1)
                .name("茉莉花茶").price(Money.parse("USD 8.00"))
                .build();
        return addDrink;
        }
    }

    /**
     * 修改
     * put /drink/{"id":1,"name": "新奶茶","price":10.0}
     */
    @PutMapping("/")
    public Drink modifyDrink(@RequestBody ModifyDrinkRequest request){
        log.info("要修改的饮品：{}",request);
        //后期使用数据库update
        Drink addDrink=Drink.builder().id(1)
                .name("茉莉花茶").price(Money.parse("USD 8.00"))
                .build();
        return addDrink;
    }

    /**
     * 删除
     * delete /drink/1
     */
    @DeleteMapping("/{id}")
    public String deleteDrink(@PathVariable Integer id){
        log.info("要删除的饮品:{}",id);
        return "删除成功";
    }
    /**
     * 文件上传
     * 前端必须使用html form
     * 前端类型必须设置为multipart/form-data
     */
    @PostMapping(value = "/upload",
            consumes ={MediaType.MULTIPART_FORM_DATA_VALUE})
    public String uploadFile(MultipartFile file){
        String dest = "E:\\upload";
        String destFileName = dest + file.getOriginalFilename();
        File destFile = new File(destFileName);
        try {
            file.transferTo(destFile);
        } catch (IOException e) {
            e.printStackTrace();
            return "上传失败";
        }
        return "上传成功";
    }

}
